CN209739202U - creeper for checking outer side surface of light pipe - Google Patents
creeper for checking outer side surface of light pipe Download PDFInfo
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- CN209739202U CN209739202U CN201821843151.3U CN201821843151U CN209739202U CN 209739202 U CN209739202 U CN 209739202U CN 201821843151 U CN201821843151 U CN 201821843151U CN 209739202 U CN209739202 U CN 209739202U
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Abstract
The utility model relates to a light pipe lateral surface inspection is with crawl device, include: the main body frame is provided with an installation part for installing a detection instrument; the crawling wheel is arranged at the bottom of the main body frame; the adsorption magnet is arranged in the main body rack and used for adsorbing the main body rack on a light pipe to be detected so as to enable the crawling wheel to be tightly pressed on the outer side surface of the light pipe; the driving motor is used for providing driving force for the driving wheel in the crawling wheel; and the power storage device is arranged in the main body frame and is connected with the driving motor. The crawler can crawl on the outer side face of the light pipe, detection of the outer side face of the light pipe can be achieved after a corresponding detection instrument is installed on the crawler, the condition that the outer side face of the light pipe is inspected through manual climbing of a scaffold at present is changed, inspection of the outer side face of the light pipe is achieved, labor intensity of maintainers is reduced, and potential safety hazards are eliminated.
Description
Technical Field
the utility model relates to an overhaul technical field, in particular to fluorescent tube lateral surface is crawl device for inspection.
Background
The light pipe refers to a pipe with a smooth outer surface, the light pipe is applied to various occasions, a power station is taken as an example for illustration, and a row of heat-discharging surfaces formed by bending the light pipe are used as a superheater, a reheater, an economizer and the like in the power station, and then the heat-discharging surfaces are hung on a header.
the heating surfaces are arranged in the hearth and the flue, and the metal materials can be degraded to different degrees when the heating surfaces are in service for a long time in a high-temperature and high-pressure environment. Because the number of the heating surfaces is large, the possibility of leakage of the heating surfaces is high, and according to the maintenance standard, the heating surfaces are subjected to macroscopic inspection, wall thickness measurement and the like when the unit is stopped for maintenance.
Because the height of the heating surface in the large boiler is large, a scaffold needs to be erected and the heating surface needs to be macroscopically checked and the wall thickness is measured by manual climbing, so that the labor intensity of maintenance workers is high, and the positions such as a hearth and a flue have insufficient light and serious dust pollution, so that the safety of the maintenance workers is greatly threatened.
Therefore, how to not only realize the inspection of the outer side surface of the light pipe, but also effectively reduce the labor intensity of the maintainers and eliminate the potential safety hazard is a technical problem which needs to be solved by the technicians in the field at present.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to disclose a light pipe is crawl device for lateral surface inspection to can enough realize the inspection of light pipe lateral surface, can effectively reduce maintainer's intensity of labour again, and eliminate the potential safety hazard.
In order to achieve the above object, the utility model provides a light pipe lateral surface inspection creeper, include:
The detection device comprises a main body frame, a detection device and a control device, wherein the main body frame is provided with an installation part for installing the detection device;
the crawling wheel is arranged at the bottom of the main body frame;
the adsorption magnet is arranged in the main body rack and used for adsorbing the main body rack on a light pipe to be detected so as to enable the crawling wheel to be tightly pressed on the outer side surface of the light pipe;
the driving motor is used for providing driving force for a driving wheel in the crawling wheel;
and the power storage device is arranged in the main body frame and is connected with the driving motor.
Preferably, the adsorption magnet is an electromagnet, and the adsorption magnet is connected to the power storage device.
Preferably, the main body frame is rectangular, two rows of the crawling wheels are arranged along the length direction of the main body frame, and the two rows of the crawling wheels are symmetrical about a middle dividing line in the width direction of the main body frame.
Preferably, the bottom surface of the main body frame is an arc-shaped concave surface which is concave towards the inside of the main body frame, and the crawling wheel is installed on the arc-shaped concave surface through a wheel frame.
Preferably, the wheel frame includes:
The arc-shaped support body is matched with the arc-shaped concave surface in an attaching mode, and a screw rod capable of penetrating out of the top of the main body frame is arranged on the arc-shaped support body;
A fastening nut in threaded fit with the screw;
the supporting shaft is arranged on the arc-shaped supporting body and used for supporting the crawling wheel.
preferably, the adsorption magnets comprise two adsorption magnets which are symmetrically arranged about a center parting line in the width direction of the main body rack, the adsorption magnets are electromagnets made of horseshoe-shaped iron cores, the electromagnets are embedded in mounting grooves formed in the main body rack, except for the surface opposite to the light pipe to be detected, and magnetic isolation silicon steel sheets are laid on the rest surfaces of the inner wall of the mounting grooves.
Preferably, the method further comprises the following steps:
the wireless signal receiving module is positioned in the main body frame and connected with the power storage device;
And the driving control module is in communication connection with the wireless signal receiving module and is used for controlling the driving motor to rotate.
Preferably, the system further comprises a steering control module and a steering system, wherein,
The steering system comprises a steering motor and a gear assembly which is used for driving and connecting the crawling wheel and the steering motor;
The steering control module is in communication connection with the wireless signal receiving module and is used for controlling the steering motor to rotate.
preferably, the crawling wheel is a rubber wheel with anti-skid lines.
Preferably, the electromagnetic force control device further comprises a magnetic force control module, wherein the magnetic force control module is used for controlling the magnitude of the magnet current so as to adjust the magnetic force of the electromagnet.
Preferably, every row the crawl wheel includes three, every row be located in the middle of the crawl wheel is the drive wheel, remaining two crawl wheel is from the driving wheel.
preferably, the mounting portion comprises a mounting hole and/or a snap and/or a mounting groove.
preferably, the support shaft is adjustable in length.
The utility model discloses a climbing device is used in inspection of fluorescent tube lateral surface has set up the absorption magnet in the main part frame, can adsorb whole climbing device on the fluorescent tube that detects through the absorption magnet to make the crawl wheel compress tightly with the fluorescent tube that detects, the product of the pressure between crawl wheel and the fluorescent tube and the coefficient of friction of fluorescent tube is the frictional force between climbing device and the fluorescent tube, when designing, need to guarantee that the minimum frictional force between climbing device and the fluorescent tube is greater than the gravity of whole climbing device, this just can realize that climbing device crawls in the optional position of fluorescent tube and does not drop; under power supply of the power storage device, the driving motor can drive the crawling wheel to rotate so as to realize crawling of the crawler on the outer side face of the light pipe, and according to detection requirements, an operator can install a corresponding detection instrument on the installation part to detect the outer side face of the light pipe.
Therefore, the utility model provides a climbing ware is used in inspection of fluorescent tube lateral surface can creep at the lateral surface of fluorescent tube, can realize the detection to the fluorescent tube lateral surface after installing corresponding detecting instrument on climbing ware, has changed the situation that carries out fluorescent tube lateral surface inspection through artifical climbing scaffold frame at present, has both realized the inspection of fluorescent tube lateral surface, has reduced maintainer's intensity of labour again, has eliminated the potential safety hazard.
Drawings
FIG. 1 is a front perspective view of a light pipe lateral inspection crawler according to an embodiment of the present invention;
FIG. 2 is a schematic side perspective view of a light pipe inspection crawler according to an embodiment of the present invention;
FIG. 3 is a top schematic view of a light pipe lateral inspection crawler as disclosed in one embodiment of the present invention;
FIG. 4 is a schematic view of the crawler as it crawls on the side of a horizontal pipe;
FIG. 5 is a schematic view of the crawler as it crawls on the side of a vertical pipe;
FIG. 6 is a schematic view of the crawler as it crawls near the bottom of the horizontal pipe;
FIG. 7 is a schematic view of the crawler as it crawls at the bottom of a horizontal pipe;
Fig. 8 is a schematic structural view of a horseshoe-shaped electromagnet.
Wherein, 1 is the main part frame, 2 is the crawl wheel, 3 is the absorption magnet, 4 is the arc supporter, 5 is the screw rod, 6 is fastening nut, 7 is the back shaft, 8 is the light pipe, 9 is the iron core, 10 is the winding.
Detailed Description
the core of the utility model is to provide a light pipe lateral surface inspection creeper to can enough realize the inspection of light pipe lateral surface, can effectively reduce maintainer's intensity of labour again, and eliminate the potential safety hazard.
referring to fig. 1 and 2, the crawler for inspecting the outer side of the light pipe disclosed in the present invention includes a main body frame 1, a crawler wheel 2, an adsorption magnet 3, a driving motor, and an electrical storage device, wherein the main body frame 1 is provided with an installation portion for installing a suitable detection tool, the installation portion may have different forms according to different detection items and detection devices, for example, the installation portion may be an installation hole with internal threads, a bayonet, or a snap groove, etc. for connecting the detection device to the main body frame 1, the main body frame 1 may be made of plastic, the crawler wheel 2 is disposed at the bottom of the main body frame 1, the crawler wheel 2 is used for contacting the outer side of the light pipe 8, the adsorption magnet 3 is disposed inside the main body frame 1, the adsorption magnet 3 is used for providing an attractive force between the main body frame 1 and the light pipe 8 to be detected, so as to generate a pressure between the crawler wheel 2 and the outer side of the light pipe 8, ensuring enough friction force between the crawling wheel 2 and the light pipe 8; the crawling wheel 2 can be a driving wheel, one part of the crawling wheel can be a driving wheel, the other part of the crawling wheel is a driven wheel 2, the driving motor is used for providing driving force for a driving wheel in the crawling wheel 2, the driving motor and the driving wheel can be connected through a speed reducer and can be meshed through multi-stage gear transmission, or can be connected through chain transmission, belt transmission and other transmission modes, specific connection modes between the driving motor and the driving wheel are not limited in the application document, only can the driving motor drive the driving wheel to rotate, a person skilled in the art can select a proper connection mode between the driving motor and the driving wheel according to actual working conditions, and the electric storage device is arranged in the main body rack 1 and is used for providing electric power supply for the driving motor and electrically connected with the driving motor.
It should be noted that, in the embodiment of the present invention, the bottom surface of the main body frame specifically refers to a surface of the main body frame 1 opposite to the outer side surface of the light pipe 8 in the operating state.
those skilled in the art can understand that the attracting magnet 3 can be either a permanent magnet or an electromagnet, the attracting magnet 3 in this embodiment is an electromagnet, and the attracting magnet 3 is electrically connected to the power storage device to supply power to the electromagnet through the power storage device.
the magnetic force of the electromagnet needs to be strictly designed, the magnetic force between the electromagnet and the light pipe is set to be f, the friction coefficient between the crawling wheel 2 and the steel light pipe is set to be mu, the overall mass of the crawler for inspecting the outer side surface of the light pipe 8 is set to be m, mu x f is guaranteed to be more than mg in the state shown in fig. 4 and 5, the included angle between the magnetic force direction between the electromagnet and the light pipe and the horizontal direction is set to be a in the state shown in fig. 6, and the included angle between the magnetic force direction between the electromagnet and the light pipe and the horizontal direction is set to be a, and the a is an acute angle at the moment, so that mu x f x cos alpha + f x sin alpha is more than mg, because when alpha is an acute angle, (cos alpha + sin alpha) is more than 1, mu (cos alpha + sin alpha) is more than a value less than 1, therefore, (mu cos alpha + sin alpha) is more than mu (cos alpha + sin alpha), f in the state shown in fig. 6 can be less than f in the state shown in fig. 4 and fig., the crawler for inspecting the outer side surface of the light pipe can be ensured not to fall off at any position of the outer side surface of the light pipe as long as f is larger than mg/mu, a safety factor can be added for ensuring safety, for example, f is larger than 1.2 mg/mu, the magnetic force of the electromagnet can be calculated through the formula, and then the proper electromagnet can be selected according to the calculation result.
According to the calculation formula of the electromagnet magnetic force, under the condition that the number of turns of the iron core 9 and the winding 10 of the electromagnet is determined, the adjustment of the electromagnet magnetic force can be realized by adjusting the current.
Referring to fig. 1 and 2, in the embodiment, the main body frame 1 is rectangular, two rows of the crawling wheels 2 are arranged along the length direction of the main body frame 1, and the two rows of the crawling wheels 2 are symmetrically arranged about a middle line in the width direction of the main body frame 1, further, in order to make the main body frame 1 better fit with the outer side surface of the light pipe 8, the bottom surface of the main body frame 1 is an arc-shaped concave surface recessed toward the inside of the main body frame 1, and the crawling wheels 2 are mounted on the arc-shaped concave surface through the wheel carrier.
The wheel carrier specifically comprises an arc-shaped supporting body 4, a fastening nut 6 and a supporting shaft 7, the arc-shaped supporting body 4 is attached to the arc-shaped concave surface of the main body frame 1, a screw rod 5 capable of penetrating out of the top of the main body frame 1 is arranged on the arc-shaped supporting body 4, the fastening nut 6 is arranged on the screw rod 5 so as to install the wheel carrier on the main body frame 1, meanwhile, the screw rod 5 can be adjusted up and down by adjusting the fastening nut 6 so as to adjust the height of the wheel carrier, which can also be used as an auxiliary means for adjusting the magnetic force between the electromagnet and the light pipe 8, the supporting shaft 7 is arranged on the arc-shaped supporting body 4, the crawling wheel 2 is arranged on the supporting shaft 7, and the supporting shaft 7 is arranged along the radial direction of the arc-shaped supporting body 4 so as to adapt the shape of the crawling wheel 2 to the light pipe 8, as shown in fig. 1 and fig. 2, of, so as to adjust the position of the crawling wheel 2 when the diameter of the light pipe 8 changes.
Referring to fig. 1 and 2, the two attracting magnets 3 in this embodiment are symmetrically disposed about a midline in the width direction of the main body frame 1, any one of the attracting magnets 3 is disposed along the length direction of the main body frame 1, and in order to ensure that the attracting magnet 3 has a sufficiently large magnetic force, the electromagnet may be made of a horseshoe-shaped iron core 9, as shown in fig. 8, and is embedded in a mounting groove formed in the main body frame 1, and magnetic-isolating silicon steel sheets are applied to other surfaces of the mounting groove except a surface opposite to the light pipe 8 to be detected, so as to prevent the electromagnet from causing electromagnetic interference to other components of the crawler for inspecting the outer side surface of the light pipe.
the creeper for inspecting the outer side surface of the light pipe, disclosed by the utility model, can be provided with a control line, the end part of the control line is provided with a hand-held controller, and the controller can control the whole creeper to move forwards, backwards or even turn and the like; however, this method requires a longer control line, and has a greater limitation in field application, and therefore, this embodiment discloses a crawler for inspecting the outer side of an optical tube, which can implement wireless remote control, and on the basis of the above embodiments, the crawler for inspecting the outer side of an optical tube in this embodiment further includes a wireless signal receiving module, a driving control module and an alarm module, where the wireless signal receiving module is located in the main body frame 1, the driving control module is in communication connection with the wireless signal receiving module, and the driving control module is used to control the rotation of a driving motor to drive the crawler to advance or retreat; the alarm module is also arranged in the main body frame 1, and alarms when the electric quantity of the battery is smaller than a preset value and/or the adhesive force of the crawling wheel on the light pipe 8 is smaller than a safety value, the alarm can inform a user in a sound and light reminding mode, the electric quantity of the battery can be monitored by using a mature electric quantity monitoring module at present, the adhesive force of the crawling wheel 2 on the light pipe 8 can be realized by arranging a pressure sensor on the crawling wheel 2, furthermore, an automatic return control module can be additionally arranged, and after the electric quantity of the battery is lower than a preset value, the automatic return control module controls the whole crawler to automatically return to a starting point in an original way.
besides, still can add steering control module and a steering system, steering system includes steering motor and gear assembly, and steering motor can set up on back shaft 7, and steering motor passes through gear assembly and crawls 2 transmission connections, and steering control module and wireless signal receiving module communication are connected, and after receiving the turn signal, steering control module sends the action instruction to steering motor, and steering motor drives corresponding crawl 2 actions through the gear assembly and realizes turning to.
In order to further optimize the scheme, a lighting device can be arranged on the main body frame, and the lighting device is started in a dark environment, so that the detection of the detection equipment on the outer side surface of the light pipe 8 is facilitated.
and a magnetic control module can be further added and can control the current in the electromagnet so as to keep the attraction force of the electromagnet at the minimum safety value all the time, thereby saving electric power to the maximum extent.
In the embodiment of the present invention, the preferred rubber wheel that adopts and have anti-skidding line of crawl wheel 2, please refer to fig. 1 and fig. 2, every row of crawl wheel 2 specifically includes threely to every row of crawl wheel's middle wheel is the drive wheel, and all the other wheels are from the driving wheel, please refer to fig. 3, and the installation department can set up at the top of main part frame, and the installation department includes but not limited to threaded mounting hole, buckle and mounting groove etc..
the above detailed description is made on the creeper for inspecting the outer side surface of the light pipe provided by the present invention. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. A crawler for inspecting the lateral surface of an optical tube, comprising:
The detection device comprises a main body frame (1), wherein an installation part for installing a detection instrument is arranged on the main body frame (1);
The crawling wheel (2) is arranged at the bottom of the main body frame (1);
The adsorption magnet (3) is arranged in the main body rack (1), and the adsorption magnet (3) is used for adsorbing the main body rack (1) on a light pipe (8) to be detected so as to enable the crawling wheel (2) to be pressed on the outer side surface of the light pipe (8);
The driving motor is used for providing driving force for a driving wheel in the crawling wheel (2);
And the power storage device is arranged in the main body frame (1) and is connected with the driving motor.
2. The crawler according to claim 1, wherein the attracting magnet (3) is an electromagnet, and the attracting magnet (3) is connected to the power storage device.
3. The creeper for inspecting the outer side surface of the light pipe according to claim 1, wherein the main body frame (1) is rectangular, two rows of the crawl wheels (2) are arranged along the length direction of the main body frame (1), and the two rows of the crawl wheels (2) are symmetrical about a median line in the width direction of the main body frame (1).
4. The creeper for inspecting the lateral surface of the light pipe according to claim 3, wherein the bottom surface of the main body frame (1) is an arc-shaped concave surface recessed toward the inside of the main body frame (1), and the crawl wheels (2) are mounted on the arc-shaped concave surface by a wheel frame.
5. The crawler for inspecting lateral surfaces of optical tubes as recited in claim 4, wherein the wheel carriage comprises:
The arc-shaped support body (4) is attached to and matched with the arc-shaped concave surface, and a screw rod (5) which can penetrate out of the top of the main body frame (1) is arranged on the arc-shaped support body (4);
A fastening nut (6) in threaded fit with the screw (5);
The supporting shaft (7) is arranged on the arc-shaped supporting body (4) and is used for supporting the crawling wheel (2).
6. the creeper for inspecting the outer side surface of the light pipe according to claim 5, wherein any one of the support shafts (7) is disposed along a radial direction of the arc-shaped concave surface.
7. the creeper for inspecting the outer side surface of the light pipe according to claim 3, wherein the number of the absorption magnets (3) is two, the two absorption magnets (3) are symmetrically arranged about a center parting line in the width direction of the main body frame (1), the absorption magnets (3) are electromagnets made of horseshoe-shaped iron cores, the electromagnets are embedded in mounting grooves formed in the main body frame (1), and except for a surface opposite to the light pipe (8) to be detected, magnetic isolation silicon steel sheets are laid on the rest surfaces of the inner wall of the mounting grooves.
8. The creeper for inspecting the lateral surface of a light pipe according to any one of claims 1 to 7, further comprising:
The wireless signal receiving module is positioned in the main body frame (1) and is connected with the power storage device;
And the driving control module is in communication connection with the wireless signal receiving module and is used for controlling the driving motor to rotate.
9. The crawler for inspecting lateral surfaces of light pipes according to claim 8, further comprising a steering control module and a steering system, wherein,
the steering system comprises a steering motor and a gear assembly which is used for driving and connecting the crawling wheel and the steering motor;
the steering control module is in communication connection with the wireless signal receiving module and is used for controlling the steering motor to rotate.
10. The creeper for inspecting the outer side surface of the light pipe according to claim 1, wherein the crawl wheels (2) are rubber wheels with anti-skid lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821843151.3U CN209739202U (en) | 2018-11-09 | 2018-11-09 | creeper for checking outer side surface of light pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821843151.3U CN209739202U (en) | 2018-11-09 | 2018-11-09 | creeper for checking outer side surface of light pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209739202U true CN209739202U (en) | 2019-12-06 |
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ID=68700102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821843151.3U Active CN209739202U (en) | 2018-11-09 | 2018-11-09 | creeper for checking outer side surface of light pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN209739202U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278888A (en) * | 2018-11-09 | 2019-01-29 | 国电锅炉压力容器检验有限公司 | A kind of light pipe lateral surface inspection crawl device |
-
2018
- 2018-11-09 CN CN201821843151.3U patent/CN209739202U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278888A (en) * | 2018-11-09 | 2019-01-29 | 国电锅炉压力容器检验有限公司 | A kind of light pipe lateral surface inspection crawl device |
| CN109278888B (en) * | 2018-11-09 | 2024-01-16 | 国能锅炉压力容器检验有限公司 | Crawling device for inspecting outer side surface of light pipe |
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Address after: No. 2096, Beijing New Energy Technology Research Institute Patentee after: Guoneng boiler and Pressure Vessel Inspection Co.,Ltd. Address before: No. 2096, Beijing New Energy Technology Research Institute Patentee before: GUODIAN BOILER AND PRESSURE VESSEL INSPECTION Co.,Ltd. |